A bilateral deep brain stimulator for insertion into a brain, the brain having two hemispheres, comprising: a first shaft having a first plurality of electrodes arranged thereon, the first shaft inserted into one hemisphere of the brain a first plurality of depth graduated bands disposed on the first shaft above the first plurality of electrodes a second shaft having a second plurality of electrodes arranged thereon, the second shaft inserted into the other hemisphere of the brain a second plurality of depth graduated bands disposed on the second shaft above the second plurality of electrodes a pulse generator a first line electrically connecting the pulse generator to the first shaft a second line electrically connecting the pulse generator to the second shaft.
